![](https://pretechcorp.com/wp-content/uploads/2023/02/dscf1163-u7237-fr.jpg)
Sanitary
Pretech Corporation manufactures sanitary manholes in sizes from 48" ID on up. We carry a wide variety cast-iron rings & covers. We also stock joint mastic, wrap, manhole steps, adjustment rings and most anything needed for sanitary systems.
![](https://pretechcorp.com/wp-content/uploads/2023/02/dscf1099.jpg)
Storm
In addition to manufacturing a variety of storm manholes, Pretech Corporation also manufactures storm inlets. Our controlled manufacturing environment, along with our on-site testing facility, assures exact specifications are continuously met.
![](https://pretechcorp.com/wp-content/uploads/2023/02/2005_041451060124-u7296-fr.jpg)
Electrical
Pretech Corporation manufactures a variety of utility vaults and manholes. Our standard structures are available with many different flare configurations and almost any size duct terminator or opening. We provide on-site inspection to plan delivery and installation.
![](https://pretechcorp.com/wp-content/uploads/2023/02/2004_0915oct60050202.jpg)
Specialty Structures
In addition to it's standard line of products, Pretech Corporation manufactures a wide variety of custom items. Our in-house engineers will work with you to design a structure that meets your specific needs.
![](https://pretechcorp.com/wp-content/uploads/2023/02/2004_0101may170048.jpg)
Reinforced Concrete
Pretech Corporation produces pipe on the most automated drycast machine in the industry. The reinforcing is manufactured on-site with a computer controlled welder.
![](https://pretechcorp.com/wp-content/uploads/2023/02/img_2020-u14802-fr.jpg)
Box Culvert
Pretech Corporation engineers can work with other professionals and engineering firms to design environmentally friendly storm systems.